<template>
    <div class="login-wrap">
        <div class="ms-login">
            <div class="ms-title">后台管理系统</div>
            <el-form :model="param" :rules="rules" ref="login" label-width="0px" class="ms-content">
                <el-form-item prop="username">
                    <el-input v-model="param.username" placeholder="请输入用户名">
                        <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
                    </el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input
                        type="password"
                        placeholder="请输入密码"
                        v-model="param.password"
                    >
                        <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
                    </el-input>
                </el-form-item>
                
                <input type="hidden" v-model="param.idKeyC" />
            
                <el-form-item prop="idValueC">
                    <el-input
                        style="width:120px;"
                        type="input"
                        placeholder="验证码"
                        v-model="param.idValueC"
                        @keyup.enter.native="submitForm()"
                    >
                        <el-button slot="prepend" icon="el-icon-picture-outline"></el-button>
                    </el-input>
                    &nbsp;
                    <el-image
                        style="width: 150px; height: 35px;cursor:pointer;"
                        title="点击更换图片"
                        :src="imgUrl"
                        @click="getVerify"></el-image>
                </el-form-item>
                <el-form-item prop="remember">
                    <el-checkbox v-model="param.checked">记住登陆状态</el-checkbox>
                </el-form-item>
                <div class="login-btn">
                    <el-button type="primary" @click="submitForm()">登录</el-button>
                </div>
            </el-form>
        </div>
    </div>
</template>

<script>
import funs from "../../utils/function.js"
import {mapMutations} from  "vuex"
export default {
    data: function() {
        return {
            imgUrl:"https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg",
            param: {
                username: '',
                password: '',
                idKeyC:'',
                idValueC:'',
                checked:false
            },
            rules: {
                username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
                password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
                idValueC: [{ required: true, message: '请输入验证码', trigger: 'blur' }],
            },
        };
    },
    methods: {
        ...mapMutations(['setToken']),
        submitForm() {
            this.$refs.login.validate((valid,obj) => {
                if (valid) {
                    funs.request.post("/sysLogin/login",this.param).then(response=>{
                        if(response.code===0){
                            this.$message.success("登陆成功");
                            this.setToken(response.data.token);
                            funs.setToken(response.data.token,this.param.checked);
                            this.$router.push('/');                        
                        }else{
                            this.$message.error(response.msg);
                            this.param.idValueC="";
                            this.getVerify();                       
                        }
                    }).catch(error=>{
                        console.log(error);
                    });
                } else {
                    for(let item in obj){
                        this.$message.error(obj[item][0].message);                        
                        break;
                    }
                    return false;
                }
            });
        },
        getVerify(){
            //请求获取验证码图片及信息
            funs.request.post("/sysLogin/public/verify").then((response)=>{
                if(response.code===0){
                    this.imgUrl = response.data.base64stringC;
                    this.param.idKeyC = response.data.idKeyC;
                }
            });
        }
    },
    mounted(){
        this.getVerify();
    },
};
</script>

<style scoped>
.login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url(../../assets/img/login-bg.jpg);
    background-size: 100%;
}
.ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px solid #ddd;
}
.ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}
.ms-content {
    padding: 30px 30px;
}
.login-btn {
    text-align: center;
}
.login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
}
.login-tips {
    font-size: 12px;
    line-height: 30px;
    color: #fff;
}
</style>